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Medical Terminology > Chapter 11- The Eye > Flashcards

Chapter 11- The Eye Flashcards

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USMLE® Step 1 flashcards
1
Q

biometry

A

the study of numeric observations based on biological observations

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2
Q

biometrist

A

one who is skilled in biometry

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3
Q

conjunctivia

A

inner lining of eyelids

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4
Q

conjunctivitis

A

inflammation of inner lining of eyelids

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5
Q

cornea

A

central transparent part of outer coat of eye covering iris and pupil. Latin: web, tunic

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6
Q

lacrimal

A

pertaining to tears and tear apparatus

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7
Q

nasolacrimal

A

passage from lacrimal sac to nose

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8
Q

opthamology

A

diagnosis and treatment of diseases of the eye

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9
Q

orbit

A

the bony socket that holds the eyeball

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10
Q

periorbital

A

pertaining to tissues around the orbit

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11
Q

photophobia

A

fear of the light due to light sensitivity

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12
Q

antibiotic

A

substance that has the capacity to inhibit the growth of/destroy bacteria

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13
Q

blepharitis

A

inflammation of the eyelid

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14
Q

blepharoptosis

A

drooping of the upper eyelid

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15
Q

blepharoplasty

A

surgical repair of the eyelid

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16
Q

contagious

A

infection that can be transmitted from person to person. Latin: touch closely

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17
Q

contaminate

A

to cause an infectious agent to be on any surface

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18
Q

hordeolum

A

abcess in an eyelash follicle. Latin: stye

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19
Q

ptosis

A

sinking down of the upper eyelid. Greek: drooping

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20
Q

amblyopia

A

failure of/incomplete development of the pathways of vision in the brain

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21
Q

esotropia

A

turning the eye inward toward the nose

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22
Q

exotropia

A

turning the eye outward away from the nose

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23
Q

extrinsic

A

a muscle located entirely outside the structure under consideration

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24
Q

intrinsic

A

a muscle located entirely inside the structure under consideration

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25
Q

ocular

A

pertaining to the eye

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26
Q

optometrist

A

someone skilled in the measurement of vision

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27
Q

stereopsis

A

three-dimensional vision

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28
Q

strabismus

A

turning of an eye away from its normal position

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29
Q

avascular

A

without a blood supply

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30
Q

iris

A

colored portion of the eye with the pupil in its center, greek.

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31
Q

lens

A

transparent refractive surface behind the iris

32
Q

presbyopia

A

difficulty in nearsighted vision started in middle and old age

33
Q

pupil

A

opening in the center of the iris that allows light to reach the lens

34
Q

refract

A

bend or change direction of a ray of light

35
Q

retina

A

light-sensitive innermost layer of the eyeball

36
Q

sclera

A

fibrous outer convering of the eyeball and the white of the eye

37
Q

scleritis

A

inflammation of the sclera

38
Q

choroid

A

region of the retina and uvea

39
Q

fovea centralis

A

small pit in the center of the macula that has the highest visual acuity

40
Q

macula lutea

A

yellowish spot on the back of the retina, contains the fovea

41
Q

optic

A

pertaining to the eye or vision

42
Q

photoreceptor

A

a photoreceptor cell receives light and converts it into electrical impulses

43
Q

uvea

A

middle coat of the eyeball, includes the iris, ciliary body, and the choroid. Latin: vascular layer

44
Q

uveitis

A

inflammation of the uvea

45
Q

visual acuity

A

sharpness and clarity of vision

46
Q

astigmatism

A

inability to focus rays of light that enter the eye in different planes

47
Q

concave

A

having a hollowed surface

48
Q

convex

A

a surface that is curved outward

49
Q

foramen

A

an opening through a structure

50
Q

hyperopia

A

able to see distant objects, but not close ones

51
Q

in situ

A

in the correct place

52
Q

keratomileusis

A

(surgery that) cuts and shapes the cornea

53
Q

keratomy

A

inscision in the cornea

54
Q

myopia

A

able to see close objects, but not distant ones

55
Q

radial

A

diverging in all directions from any given center

56
Q

cataract

A

complete or partial opacity of the lens

57
Q

flourescein

A

dye that produces a vivid green color under a blue light (helps diagnose corneal abrasions and foreign bodies in the eye)

58
Q

glaucoma

A

increased intraocular pressure

59
Q

intraocular

A

pertaining to the inside of the eye

60
Q

opthalmia neonatorum

A

conjunctivitis in a newborn’s eyes

61
Q

pollution

A

condition that is unclean, impure, and a danger to health

62
Q

angiography

A

radiography of vessels after injection of contrast material

63
Q

angiogram

A

radiogram of vessels after injection of contrast material

64
Q

laser surgery

A

use of a concentrated, intense narrow beam of electromagnetic radiation for surgery

65
Q

opthalmoscope

A

instrument for viewing the retina

66
Q

photocoagulation

A

using light (from a laser beam) to form a clot

67
Q

retinoblastoma

A

malignant neoplasm of primitive retinal cells

68
Q

retinopathy

A

disease of the retina, degenerative

69
Q

fundus

A

part farthest from the opening of a hollow organ

70
Q

fundoscopy

A

examination of the fundus (retina) of the eye

71
Q

Ishihara color system

A

test for color vision defects

72
Q

Jaeger reading cards

A

types of different sizes for testing near vision

73
Q

peripheral

A

pertaining to the periphery or external boundary

74
Q

Snellen letter chart

A

test for acuity of distant vision

75
Q

tonometer

A

instrument for determining intraocular pressure

Medical Terminology (9 decks)

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